Batboard

In reference to the /\/\ Saber radios, what's the difference between signletone and sidetone?

Thanks
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OK, that all makes sense...thanks alot for the help tvsjr!

Sidetone is a tone generated by the radio's speaker while any sort of signalling is transmitted.

Singletone is a signalling system, transmitted over the air by the radio, consisting of... a single tone. Commonly used by the railroads.